Add parser, vm, objects

Big ol thing. You should check it out sometime

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/syn/ast.rs

@@ -0,0 +1,19 @@
+use crate::object::{Float, Int, Str, Value};
+use crate::syn::span::*;
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum Expr {
+    Atom(SpAtom),
+    Quote(Vec<SpExpr>),
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum Atom {
+    Word(Str),
+    Float(Float),
+    Int(Int),
+    Str(Str),
+}
+
+pub type SpAtom = Spanned<Atom>;
+pub type SpExpr = Spanned<Expr>;